Respuesta :

devishri1977

Answer:

Step-by-step explanation:

[tex]Perimeter \ of \ block =\dfrac{8}{20}\\\\\\\dfrac{3}{20}+w+\dfrac{3}{20}+w = \dfrac{8}{20}\\\\\\\dfrac{6}{20}+2w=\dfrac{8}{20}\\\\\\2w=\dfrac{8}{20}-\dfrac{6}{20}\\\\\\2w=\dfrac{2}{20}\\\\\\w=\dfrac{2}{20*2}\\\\\\w=\dfrac{1}{20} \ mi[/tex]

Answer:

1/20 mile

Step-by-step explanation:

Let the Perimeter = P

20 (P) = 8 miles

P = 8/20 miles

Perimeter = 2 (Length) + 2 (width)

2 (3/20) + 2W = 8/20

2W = 8/20 - 6/20

2W = 2/20

W = 1/20

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